Top 10 Best Mercruiser 3.0 Spark Plugs

Pack of 4 Spark Plugs. Genuine NGK Spark Plugs. Copper core. Corrugated ribs. Triple-Gasket sealing process.

REPLACEMENT IGNITION TUNE-UP KIT - The ignition tune-up kit include distributor cap and rotor and spark plug wires set. Like most marine parts, ignition tune-up kit are wear items that means they tend to slowly degrade over time, and it should be expected that they will have to be replaced from time to time. This Kits designed for efficiency and durability in a marine engine and You will find that replacing them will make your engine work more smoothly.. PREMIUM QUALITY - This cap is constructed from PBT and PET plastics for increased strength, stiffness. The solid brass contacts help settle wear related failures and provides excellent conductivity. The spark plug Wire composed of high di-electric insulator and heavy glass braid wrapped heavy duty silicone jackets and high performance black boots for superior dielectric strength and excellent cable tensile strength that will surely withstand extremely high temperatures for a long time.. REPLACES PART - Distributor Cap and Rotor 811635Q2, 811635Q1, 811635T2, 18-5280, 986643, 986651, Mallory 9-29320, GLM 71830 Spark Plug Wires Set 816761Q14, 84-816761Q14. This is replacement for 3.0L 4cyl MerCruiser Engines made by General Motors with Delco EST ignition systems, 1990 and newer. Please check part numbers to ensure proper fit when you purchase.. DIRECT FIT - Direct replacement for a proper fit and easy installation, quality materials used, meets or exceeds OEM standards, While this is not a genuine MERCURY part, it is a direct replacement and it will fit and work exactly like the factory part.. 12-MONTH WARRANTY - Order from Tutor Auto, we offer 12 month warranty, true hassle-free shopping experience. If for any reason at all, you are not fully satisfied with this Cap and rotor kit, you can rely on our service of free REPLACEMENT or REFUND..

Tune up kit for Volvo Penta and Mercruiser 3.0 engines, 1991 and up. Quality Made in USA 8mm wires, includes coil wire. Brass terminal marine grade distributor cap.. Kit includes four NGK BPR6EFS sparks plugs, distributor cap, rotor and wires. Dielectric grease included. Replaces 811635Q2 816761Q14.

NGK BPR6EFS Standard plugs are pre-gapped to your engine manufacturers specifications. Check your engine owners manual for the correct spark plug and use only the plug as recommended by your engines original equipment manufacturer. NGK Trivalent metal plating also provides superior anti-corrosion in the marine environment and anti-seizing for easier removal. This NGK standard plug features a copper core to promote heat dissipation and more efficient spark plug operation and a removable terminal. Replace all the engine plugs at the same time.

Solid copper core for greater spark, superior heat dissipation and conductivity. Longer insulator nose prevents fouling. Corrugated ribs on insulator prevents flashover. Dual ground electrodes for more consistent spark. Triple gasket seal eliminates combustion gas leakage and the Zinc dipped shell prevents corrosion. Fit type Vehicle Specific.

Made by AC Delco with nickel alloy tip, copper core and ribbed suppressor seal for durability and performance. Check your engine owners manual for the correct spark plug and use only the plug as recommended by your engines original equipment manufacturer. Dont just clean used spark plugs, replace them with new plugs for better performance. Replace all the engine plugs at the same time. Fit type Vehicle Specific.

NGK 7090 Spark Plug - Pack of 4 7090.

New distributor cap, rotor, spark plug wires and six AC Delco MR43LTS spark plugs compatible with Mercruiser V6 engines with Thunderbolt ignition 1997 and newer.. Fits 4.3 L V6 engines with Thunderbolt ignition system. Check MR43LTS are the correct spark plugs for your engine before ordering.. 8mm plug wires. Distributor cap is J1171 certified and has quality copper contacts. Includes new bolts, gasket, and drain for cap. Dialectic grease included for wires.. Compatible with Mercruiser 's 84-816761Q16, 815407Q5.

Designed to operate over a much wider heat range than ordinary plugs. Resists carbon buildup and pre-ignition. High alumina ceramics for better heat transfer and electrical insulation. Solid copper core and nickel tipped electrode provide a longer plus life. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. Solid copper core for greater spark. Longer insulator nose. Corrugated ribs on insulator prevents flashoverZinc dipped shell. Triple gasket seal eliminates combustion gas leakage.

EST Marine Electronic Ignition Distributor and Coil Upgrade Kit 3.0L Delco EST For 4 Cylinder Applications. Compatible with Mercruiser, Volvo Penta, OMC, Indmar, PCM, Marine Power, EST V8 5.7 7.4. Kit Includes EST Electronic Distributor, Coil, Timing Shunt, Pigtail Plug, Coil-to-Distributor Wire. Features New Authentic GM Delco Marine Electronic Distributor, For 4 Cyl applications, Fits 3.0L engines, GM Number 01103782. Features advanced engineering, black heavy-duty cap and rotor with highest dependability and performance, and fuel economy version..